/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package com.l2dot.gameserver.datatables;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.logging.Logger;

import com.l2dot.Config;
import com.l2dot.gameserver.idfactory.IdFactory;
import com.l2dot.gameserver.instancemanager.ClanHallManager;
import com.l2dot.gameserver.model.actor.instance.L2DoorInstance;
import com.l2dot.gameserver.model.entity.ClanHall;
import com.l2dot.gameserver.pathfinding.AbstractNodeLoc;
import com.l2dot.gameserver.templates.L2CharTemplate;
import com.l2dot.gameserver.templates.StatsSet;



import javolution.util.FastMap;

public class DoorTable
{
	private static Logger _log = Logger.getLogger(DoorTable.class.getName());

	private Map<Integer,L2DoorInstance> _staticItems;

	private static DoorTable _instance;

	public static DoorTable getInstance()
	{
		if (_instance == null)
			_instance = new DoorTable();

		return _instance;
	}

	public DoorTable()
	{
		_staticItems = new FastMap<Integer,L2DoorInstance>();
		//parseData();
	}

	public void reloadAll()
	{
	    respawn();
	}
	public void respawn()
	{
//	    L2DoorInstance[] currentDoors = getDoors();
	    _staticItems = null;
	    _instance = null;
	    _instance = new DoorTable();
	}

	public void parseData()
	{
		LineNumberReader lnr = null;
		try
		{
			File doorData = new File(Config.DATAPACK_ROOT, "data/door.csv");
			lnr = new LineNumberReader(new BufferedReader(new FileReader(doorData)));

			String line = null;
			_log.warning("Searching clan halls doors:");

			while ((line = lnr.readLine()) != null)
			{
				if (line.trim().length() == 0 || line.startsWith("#"))
					continue;

				L2DoorInstance door = parseList(line);
				_staticItems.put(door.getDoorId(), door);
				door.spawnMe(door.getX(), door.getY(),door.getZ());
				ClanHall clanhall = ClanHallManager.getInstance().getNearbyClanHall(door.getX(), door.getY(), 500);
				if (clanhall != null)
				{
				    clanhall.getDoors().add(door);
				    door.setClanHall(clanhall);
                    if (Config.DEBUG)
                        _log.warning("door "+door.getDoorName()+" attached to ch "+clanhall.getName());
				}
			}

			_log.config("DoorTable: Loaded " + _staticItems.size() + " Door Templates.");
		}
		catch (FileNotFoundException e)
		{
			_initialized = false;
			_log.warning("door.csv is missing in data folder");
		}
		catch (IOException e)
		{
			_initialized = false;
			_log.warning("error while creating door table " + e);
		}
		finally
		{
			try { lnr.close(); } catch (Exception e1) { /* ignore problems */ }
		}
	}

	public static L2DoorInstance parseList(String line)
	{
		StringTokenizer st = new StringTokenizer(line, ";");

		String name = st.nextToken();
		int id = Integer.parseInt(st.nextToken());
		int x = Integer.parseInt(st.nextToken());
		int y = Integer.parseInt(st.nextToken());
		int z = Integer.parseInt(st.nextToken());
		int rangeXMin = Integer.parseInt(st.nextToken());
		int rangeYMin = Integer.parseInt(st.nextToken());
		int rangeZMin = Integer.parseInt(st.nextToken());
		int rangeXMax = Integer.parseInt(st.nextToken());
		int rangeYMax = Integer.parseInt(st.nextToken());
		int rangeZMax = Integer.parseInt(st.nextToken());
		int hp = Integer.parseInt(st.nextToken());
		int pdef = Integer.parseInt(st.nextToken());
		int mdef = Integer.parseInt(st.nextToken());
		boolean unlockable = false;

		if (st.hasMoreTokens())
			unlockable = Boolean.parseBoolean(st.nextToken());
			boolean autoOpen = false;
		if (st.hasMoreTokens())
			autoOpen = Boolean.parseBoolean(st.nextToken());

		if (rangeXMin > rangeXMax) _log.severe("Error in door data, ID:"+id);
		if (rangeYMin > rangeYMax) _log.severe("Error in door data, ID:"+id);
		if (rangeZMin > rangeZMax) _log.severe("Error in door data, ID:"+id);
		int collisionRadius; // (max) radius for movement checks
		if ((rangeXMax - rangeXMin) > (rangeYMax - rangeYMin))
			collisionRadius = rangeYMax - rangeYMin;
		else
			collisionRadius = rangeXMax - rangeXMin;

		StatsSet npcDat = new StatsSet();
		npcDat.set("npcId", id);
		npcDat.set("level", 0);
		npcDat.set("jClass", "door");

		npcDat.set("baseSTR", 0);
		npcDat.set("baseCON", 0);
		npcDat.set("baseDEX", 0);
		npcDat.set("baseINT", 0);
		npcDat.set("baseWIT", 0);
		npcDat.set("baseMEN", 0);

		npcDat.set("baseShldDef", 0);
		npcDat.set("baseShldRate", 0);
		npcDat.set("baseAccCombat", 38);
		npcDat.set("baseEvasRate",  38);
		npcDat.set("baseCritRate",  38);

		//npcDat.set("name", "");
		npcDat.set("collision_radius", collisionRadius);
		npcDat.set("collision_height", rangeZMax - rangeZMin);
		npcDat.set("sex", "male");
		npcDat.set("type", "");
		npcDat.set("baseAtkRange", 0);
        npcDat.set("baseMpMax", 0);
        npcDat.set("baseCpMax", 0);
		npcDat.set("rewardExp", 0);
		npcDat.set("rewardSp", 0);
		npcDat.set("basePAtk", 0);
		npcDat.set("baseMAtk", 0);
		npcDat.set("basePAtkSpd", 0);
		npcDat.set("aggroRange", 0);
		npcDat.set("baseMAtkSpd", 0);
		npcDat.set("rhand", 0);
		npcDat.set("lhand", 0);
		npcDat.set("armor", 0);
		npcDat.set("baseWalkSpd", 0);
		npcDat.set("baseRunSpd", 0);
		npcDat.set("name", name);
		npcDat.set("baseHpMax", hp);
		npcDat.set("baseHpReg", 3.e-3f);
		npcDat.set("baseMpReg", 3.e-3f);
		npcDat.set("basePDef", pdef);
		npcDat.set("baseMDef", mdef);

		L2CharTemplate template = new L2CharTemplate(npcDat);
		L2DoorInstance door = new L2DoorInstance(IdFactory.getInstance().getNextId(),template, id, name, unlockable);
		door.setRange(rangeXMin, rangeYMin, rangeZMin, rangeXMax, rangeYMax, rangeZMax);
		try
		{
			door.setMapRegion(MapRegionTable.getInstance().getMapRegion(x,y));
		}
		catch (Exception e)
		{
			_log.severe("Error in door data, ID:"+id);
		}
		door.setCurrentHpMp(door.getMaxHp(), door.getMaxMp());
		door.setOpen(autoOpen);
		door.setXYZInvisible(x,y,z);

		return door;
	}

	public boolean isInitialized()
	{
		return _initialized;
	}

	private boolean _initialized = true;

	public L2DoorInstance getDoor(Integer id)
	{
		return _staticItems.get(id);
	}

	public void putDoor(L2DoorInstance door)
	{
		_staticItems.put(door.getDoorId(), door);
	}

	public L2DoorInstance[] getDoors()
	{
		L2DoorInstance[] _allTemplates = _staticItems.values().toArray(new L2DoorInstance[_staticItems.size()]);
		return _allTemplates;
	}

    /**
     * Performs a check and sets up a scheduled task for
     * those doors that require auto opening/closing.
     */
    public void checkAutoOpen()
    {
        for (L2DoorInstance doorInst : getDoors())
            // Garden of Eva (every 7 minutes)
            if (doorInst.getDoorName().startsWith("goe"))
                doorInst.setAutoActionDelay(420000);

            // Tower of Insolence (every 5 minutes)
            else if (doorInst.getDoorName().startsWith("aden_tower"))
                doorInst.setAutoActionDelay(300000);
    }

    public boolean checkIfDoorsBetween(AbstractNodeLoc start, AbstractNodeLoc end)
    {
    	return checkIfDoorsBetween(start.getX(), start.getY(), start.getZ(), end.getX(), end.getY(), end.getZ());
    }

    public boolean checkIfDoorsBetween(int x, int y, int z, int tx, int ty, int tz)
    {
    	int region;
    	try
    	{
    		 region = MapRegionTable.getInstance().getMapRegion(x,y);
    	}
    	catch (Exception e)
    	{
    		return false;
    	}

    	for (L2DoorInstance doorInst : getDoors())
    	{
    		if (doorInst.getMapRegion() != region)
    			continue;
    		if (doorInst.getXMax() == 0)
    			continue;

    		// line segment goes through box
    		// heavy approximation disabling some shooting angles especially near 2-piece doors
    		// but most calculations should stop short
    		// phase 1, x
    		if (x <= doorInst.getXMax() && tx >= doorInst.getXMin() || tx <= doorInst.getXMax() && x >= doorInst.getXMin())
    		{
    			//phase 2, y
    			if (y <= doorInst.getYMax() && ty >= doorInst.getYMin() || ty <= doorInst.getYMax() && y >= doorInst.getYMin())
    			{
    				// phase 3, z (there's a small problem when the other is above/under door level..)
    				if (z >= doorInst.getZMin() && z <= doorInst.getZMax() && tz >= doorInst.getZMin() && tz <= doorInst.getZMax())
    				{
    	    			if (doorInst.getCurrentHp() > 0 && !doorInst.getOpen())
    	    				return true;
    				}
    			}
    		}
    	}
    	return false;
    }
}
